zer, zer (tser; in Septuagint the verse (Joshua 19:35) reads kai hai poleis teichereis ton Turion, which implies a Hebrew text with ha-tsurim, "Tyrians"; this must be an error):

One of the fortified cities in Naphtali, named between Ziddim (ChaTTin) and Hammath (el-Chammeh, South of Tiberias). If the text is correct, it must have lain on the slopes West of the Sea of Galilee. It is not identified.